Windows Phone 8 – Let’s start

This is the Windows Phone 8 JumpStart training content. The training is a fast-paced, demo-packed and very highly rated learning experience tailored to show developers how to quickly build responsive, appealing and effective apps. All 20 modules are now available online for viewing on demand on Channel 9<. For more detail, refer to the WindowsPhone team blog post

Windows Phone SDK – free tools

The Windows Phone Software Development Kit (SDK) includes all of the tools that you need to develop apps and games for Windows Phone. Click the Download button and the select the option to Run. Follow the instructions that appear.

The Windows Phone SDK 7.1.1 Update provides additional functionality to the existing Windows Phone SDK 7.1. Using this update, you can more easily develop apps and games that are optimized to run on 256-MB devices. Get details and additional languages